Come visit Isenhower Cellars West!! Seeking a life that harnessed their combined backgrounds in pharmacy and business, Denise and Brett Isenhower settled in Walla Walla and started making wine in 1999, the winery was built in 2002. Isenhower Cellars produces unique wines that reflect the essence of the vineyards of Eastern Washington. The individual wines are based on Cabernet Franc, Cabernet Sauvignon, Grenache, Merlot, Roussanne, Syrah & Viognier.